20118518

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7079}}^1$

素因数の和:7124

約数の個数: 24

約数和(自身を含む): 36320400

約数和(自身を除く): 16201882

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7079, 14158, 49553, 99106, 205291, 346871, 410582, 693742, 1437037, 2874074, 10059259, 20118518]

約数ペア:

[(1, 20118518), (2, 10059259), (7, 2874074), (14, 1437037), (29, 693742), (49, 410582), (58, 346871), (98, 205291), (203, 99106), (406, 49553), (1421, 14158), (2842, 7079)]